package com.atguigu.gulimall.order.web;

import com.atguigu.common.exception.NoStockException;
import com.atguigu.gulimall.order.service.OrderService;
import com.atguigu.gulimall.order.vo.OrderConfirmVo;
import com.atguigu.gulimall.order.vo.OrderSubmitVo;
import com.atguigu.gulimall.order.vo.SubmitOrderResponseVo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class OrderWebController {
    @Autowired
    OrderService orderService;
    @GetMapping("/toTrade")
    public String toTrade(Model model) throws ExecutionException, InterruptedException {
        OrderConfirmVo confirmVo =orderService.confirmOrder();
        model.addAttribute("orderConfirmData",confirmVo);
        return "confirm";
    }
    @PostMapping("/submitOrder")
    public String submitOrder(OrderSubmitVo vo, Model model, RedirectAttributes redirectAttributes){
        try{
//            System.out.println(".....");
            SubmitOrderResponseVo responseVo = orderService.submitOrder(vo);
            //下单: 去创建顶单,验令牌,验证价格,锁库存......
            //下单成功来到支付选择页面
            System.out.println("订单提交的数据"+vo);
            if(responseVo.getCode() == 0){
                //下单成功来到支付选择页面
                System.out.println("下单成功");
                model.addAttribute("submitOrderResp",responseVo);
                return "pay";
            }else{
                String msg = "下单失败: ";
                System.out.println(
                        "code++++++++"+responseVo.getCode());
                switch(responseVo.getCode()){
                    case 1: msg += "订单信息过期,请刷新再次提交";break;
                    case 2: msg += "订单商品价格发生变化,请确认后再提交";break;
                    case 3: msg += "库存锁定失败,库存不足";break;
                }
                redirectAttributes.addFlashAttribute("msg",msg);
                return "redirect:http://order.gulimall.com/toTrade";
            }
        }catch(Exception e){
            if(e instanceof NoStockException){
                String message = (((NoStockException)e).getMessage());
                redirectAttributes.addFlashAttribute("msg",message);
            }
            return "redirect:http://order.gulimall.com/toTrade";
        }
        //下单失败回到订单确认页面
    }
}
